| /* |
| * |
| * Copyright (c) 2020 Project CHIP Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @file |
| * This file defines a set of macros for declaring C and C++ |
| * symbol visibility for dynamic shared objects (DSOs) across |
| * different compilers and operating systems. |
| * |
| * See https://gcc.gnu.org/wiki/Visibility for additional information |
| * regarding GCC. |
| * |
| */ |
| |
| #pragma once |
| |
| #if defined _WIN32 || defined __CYGWIN__ |
| #define DLL_EXPORT __declspec(dllexport) |
| #else |
| #if __GNUC__ >= 4 |
| #define DLL_EXPORT __attribute__((visibility("default"))) |
| #else |
| #define DLL_EXPORT |
| #endif |
| #endif |
